bhbuff

#!/bin/bash
PERCENT=100
RUN=0
function USAGE {
	echo -e "
Usage: $0 [FLAGS]... [BITHORDE LINK FILE]\n
  -h, --help        Shows this help.
  -p, --percent     Load asset [NUM] percent before evetual xdg-open, (DEFAULT: 100)
  -r, --run         Open asset with xdg-open after preload. (DEFAULT: No)\n
  Example: $0 -p 20 -r MyBithordeLink.avi\n"
}
LOCKFILE=$(tempfile)

function wait_for_buff() {
  dd of=/dev/null bs=512 count=$PIECETOLOAD
  rm "$LOCKFILE"
  if [ ! "$PERCENT" = "100" ]; then dd of=/dev/null bs=512 count=$DDSTAT; fi
}

if [ "$1" = "" ]; then
        echo "bhbuff needs a bithorde link to handle..."
	USAGE
        exit 1
fi

while [ $# -gt 0 ]; do 
  case "$1" in
    -h|--help)
	      USAGE
	      exit 0
	      ;;
    -r|--run)
              RUN=1
              ;;
    -p|--percent)
              PERCENT="$2"
              if [[ "$PERCENT" =~ ^[0-9]+$ ]]; then
			if [ "$PERCENT" -gt 100 ]; then
				PERCENT=100
			fi
		else
                	echo "Procent needs to be a number between 1 - 100..."
			USAGE
                	exit 1
              fi
	
              ;;
    *)
              FILE=${!#}
	      if ! [[ $(readlink "$FILE") == *magnet* ]]; then
		echo "File not a bithorde symlink..."
		USAGE
		exit 1
	      fi
		
	      ;;
  esac
  shift
done
STAT=$(stat -L -c%s "$FILE")
PIECETOLOAD="$(($(($STAT/512/100))*$PERCENT))"
DDSTAT="$(($STAT/512))"
bhget -sy -py "$FILE" | wait_for_buff &
trap "echo -e '\nKilling script and buffering functions...'; kill $(pidof bhget) $(pidof dd); exit 130" SIGINT SIGTERM
while [ -f "$LOCKFILE" ]; do 
	sleep 0.1
done
if [ "$RUN" = 1 ]; then
	xdg-open "$FILE" > /dev/null 2> /dev/null
fi